Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/CodeGen/Mips/nacl-reserved-regs.ll

@@ -0,0 +1,51 @@
+; RUN: llc -march=mipsel -O3 < %s | FileCheck %s
+; RUN: llc -mtriple=mipsel-none-nacl-gnu -O3 < %s \
+; RUN:  | FileCheck %s -check-prefix=CHECK-NACL
+
+@var = external global i32
+
+define void @f() {
+  %val1 = load volatile i32, i32* @var
+  %val2 = load volatile i32, i32* @var
+  %val3 = load volatile i32, i32* @var
+  %val4 = load volatile i32, i32* @var
+  %val5 = load volatile i32, i32* @var
+  %val6 = load volatile i32, i32* @var
+  %val7 = load volatile i32, i32* @var
+  %val8 = load volatile i32, i32* @var
+  %val9 = load volatile i32, i32* @var
+  %val10 = load volatile i32, i32* @var
+  %val11 = load volatile i32, i32* @var
+  %val12 = load volatile i32, i32* @var
+  %val13 = load volatile i32, i32* @var
+  %val14 = load volatile i32, i32* @var
+  %val15 = load volatile i32, i32* @var
+  %val16 = load volatile i32, i32* @var
+  store volatile i32 %val1, i32* @var
+  store volatile i32 %val2, i32* @var
+  store volatile i32 %val3, i32* @var
+  store volatile i32 %val4, i32* @var
+  store volatile i32 %val5, i32* @var
+  store volatile i32 %val6, i32* @var
+  store volatile i32 %val7, i32* @var
+  store volatile i32 %val8, i32* @var
+  store volatile i32 %val9, i32* @var
+  store volatile i32 %val10, i32* @var
+  store volatile i32 %val11, i32* @var
+  store volatile i32 %val12, i32* @var
+  store volatile i32 %val13, i32* @var
+  store volatile i32 %val14, i32* @var
+  store volatile i32 %val15, i32* @var
+  store volatile i32 %val16, i32* @var
+  ret void
+
+; Check that t6, t7 and t8 are used in non-NaCl code.
+; CHECK:    lw  $14
+; CHECK:    lw  $15
+; CHECK:    lw  $24
+
+; t6, t7 and t8 are reserved in NaCl.
+; CHECK-NACL-NOT:    lw  $14
+; CHECK-NACL-NOT:    lw  $15
+; CHECK-NACL-NOT:    lw  $24
+}